package com.itheima.reggie.service;


import com.baomidou.mybatisplus.extension.service.IService;
import com.itheima.reggie.entity.ShoppingCart;


public interface ShoppingCartService extends IService<ShoppingCart> {


    /*
    * 购物车订单添加
    * */
    ShoppingCart myAdd(ShoppingCart shoppingCart);


    /*
    * 减少菜品或套餐数据
    * */
    ShoppingCart sub(ShoppingCart shoppingCart);
}
